The KIA Subtitle plugin allows you to easily add a subtitle to your posts.
Add a subtitle input field to all widgets.
Genesis HTML5 Child Themes Only. Adds an entry field for subtitles to post/page edit screens. Inserts subtitle after post/page title on posts/pages.
Add subtitles (subheadings) to your pages, posts or custom post types.
Displays subtitle text field after the title in post, page and other post type edit page.
Allows part of a post title to be styled as a subtitle. It is still within the title heading, but is wrapped in a span to be styled differently.
The subtitle allows you to easily add a subtitle to your posts and retrieve it in the loop
in the same manner as the post title. By using the_subtitle
This plugin creates an option to enter sub heading for pages and posts. You can display the sub title in your theme by using the
A WordPress SEO plugin which lets you assign a Sub Title to posts and pages to boost optimization, so they rank higher in the search engines.
RSS link for this tag.